2001

6.7

2009

6.8

2001

1.0

2007

6.5

1998

5.5

1991

6.3

2002

5.3

1992

6.5

2018

2.5

1974

5.1

2009

5.7

1999

5.7

1993

6.5

2024

8.0

2003

7.0

2005

3.9

1983

6.7

2007

5.7

1948

7.3

1997

6.1